[1] The Suda uses the late spelling with one lambda; cf. the TLG editions of Scylax 34; Aristotle, History of Animals 605b; Diodorus Siculus 15.36.5; Appian, Civil Wars 5.3.25, Iamblichus, de Vita Pythagorica 2.3.
[2] More exactly, a large island off the west coast of Balkan Greece (between Leukas, Ithaca and Zakynthos); Barrington Atlas map 54 grid B5 (as 'Cephallania'). For the -ll- version of the toponym see e.g. under alphaiota 48.